knocking sound and ses light blinking

Asked by May 19, 2016 at 01:51 PM about the 1996 Chevrolet C/K 1500 Silverado Extended Cab SB 4WD

Question type: Maintenance & Repair

took this truck up a grade against a 2013 dodge and got our butt wooped
directly after it developed a knock?  service engine soon light blinks while
driving down the road and while parked it stays on constanly????

1 Answer

1,475

Well, as you know, knock is very bad for pistons/ and piston rings (spark knock). You most likely have rod knock, which developed due to oil depravation (going up a grade, and quickly.) Do you have a code reader? Have the code read, and do a compression check- you may have damaged the motor.

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